Big Brother (Nineteen Eighty-Four) Big Brother (Nineteen Eighty-Four) Biometrics Biometrics Bouncer (doorman) Bouncer (doorman) Closed-circuit Television Closed-circuit Television ECHELON ECHELON Identification Identification National Geospatial-Intelligence Agency National Geospatial-Intelligence Agency Panopticon Panopticon Police Police Sky Marshal Sky Marshal Social Control Social Control Spy Satellite Spy Satellite Surveillance Surveillance TEMPEST TEMPEST Thermography Thermography